1. Department of Anesthesia Center of Head and Orthopedics, Rigshospitalet University of Copenhagen Copenhagen Denmark
2. Department of Trauma Emergency Surgery & Surgical Critical Care Massachusetts General HospitalHarvard University Boston USA
3. Department of Surgical Gastroenterology Copenhagen University Hospital Rigshospitalet Denmark
4. Institute of Clinical Medicine University of Copenhagen Copenhagen Denmark
5. Trauma Center Center of Head and Orthopedics, Rigshospitalet University of Copenhagen Copenhagen Denmark